255252777553 has 8 divisors (see below), whose sum is σ = 258869255616. Its totient is φ = 251636893200.

The previous prime is 255252777551. The next prime is 255252777569. The reversal of 255252777553 is 355777252552.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255252777553 - 2¹ = 255252777551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255252777494 and 255252777503.

It is not an unprimeable number, because it can be changed into a prime (255252777551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 756298 + ... + 1040428.

It is an arithmetic number, because the mean of its divisors is an integer number (32358656952).

Almost surely, 2^255252777553 is an apocalyptic number.

It is an amenable number.

255252777553 is a deficient number, since it is larger than the sum of its proper divisors (3616478063).

255252777553 is a wasteful number, since it uses less digits than its factorization.

255252777553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296855.

The product of its digits is 25725000, while the sum is 55.

The spelling of 255252777553 in words is "two hundred fifty-five billion, two hundred fifty-two million, seven hundred seventy-seven thousand, five hundred fifty-three".